Adaptive Transmissions of Wakeup Radio Synchronization Beacons

1. An apparatus for wireless communications at an access point, comprising: a processor; memory in electronic communication with the processor; and instructions stored in the memory and operable, when executed by the processor, to cause the apparatus to: receive, from a station that comprises a primary radio and a wakeup radio, an indication of an operating condition, wherein the operating condition includes the wakeup radio of the station being in an active status, the wakeup radio comprising a low-power radio; adapt a transmission timing for a series of transmission times for transmitting one or more instances of a synchronization beacon associated with the wakeup radio of the station based at least in part on the identified operating condition, wherein the instructions to adapt the transmission timing are further executable to cause the apparatus to refrain from transmitting a first instance of the one or more instances of the synchronization beacon at a first transmission time of the series of transmission times based at least in part on the wakeup radio of the station being in the active status; and transmit at least a second instance of the one or more instances of the synchronization beacon according to the adapted transmission timing.

2. The apparatus of claim 1 , wherein the transmission timing comprises a periodic transmission pattern, the periodic transmission pattern comprising one or more transmission times of the series of transmission times separated by a beacon period.

3. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: receive a wakeup radio capability indication from the station, wherein the operating condition of the station is identified based at least in part on receiving the wakeup radio capability.

4. The apparatus of claim 3 , wherein the instructions are further executable by the processor to cause the apparatus to: receive, from the station, an association request message comprising the wakeup radio capability indication.

5. The apparatus of claim 1 , wherein the instructions are further executable by the processor to cause the apparatus to: receive a wakeup radio mode indication from the station, wherein the operating condition of the station is identified based at least in part on the wakeup radio mode indication; and determine that the station is in a wakeup radio mode based at least in part on the received wakeup radio mode indication, wherein the transmission timing is adapted based at least in part on determining that the station is in the wakeup radio mode.

6. The apparatus of claim 5 , wherein the instructions to receive the wakeup radio mode indication from the station are further executable by the processor to cause the apparatus to: receive the wakeup radio mode indication in an action frame or a high efficiency (HE) control field of a data frame, or both, from the station.

7. The apparatus of claim 1 , wherein the instructions to identify the operating condition of the station are further executable by the processor to cause the apparatus to: determine that data traffic for the station comprises delay sensitive data traffic; and determine that the station withdrew from a wakeup radio mode based at least in part on determining that the data traffic for the station comprises delay sensitive data traffic.

8. The apparatus of claim 1 , wherein the instructions to identify the operating condition of the station are further executable by the processor to cause the apparatus to: receive a power status indicator from the station; and determine that the station withdrew from a wakeup radio mode based at least in part on the received power status indicator.

9. The apparatus of claim 1 , wherein the instructions to identify the operating condition of the station are further executable by the processor to cause the apparatus to: identify a periodic data traffic pattern associated with the station; compare the periodic data traffic pattern to a synchronization beacon transmission interval; determine that the periodic data traffic pattern satisfies a threshold value associated with a wakeup mode of the station; and refrain from transmitting the first instance of the one or more instances of the synchronization beacon at the first transmission time based at least in part on determining that the periodic data traffic pattern satisfies the threshold value.

10. The apparatus of claim 1 , wherein the instructions to identify the operating condition of the station are further executable by the processor to cause the apparatus to: determine that the wakeup radio of the station is in an active status; and refrain from transmitting the first instance of the one or more instances of the synchronization beacon at the first transmission time based at least in part on determining that that the wakeup radio of the station is in the active status.

11. The apparatus of claim 1 , wherein the synchronization beacon comprises a time synchronization function (TSF).

12. The apparatus of claim 1 , wherein the instructions to adapt the transmission timing are further executable by the processor to cause the apparatus to: identify a clock drift of the station; and adapt the transmission timing based at least in part on the identified clock drift.

13. The apparatus of claim 1 , wherein the instructions to adapt the transmission timing are further executable by the processor to cause the apparatus to: identify data traffic load in at least one communication medium associated with transmission of at least the second instance of the one or more instances of the synchronization beacon to the station; and adapt the transmission timing based at least in part on the identified data traffic load in the at least one communication medium.

14. The apparatus of claim 13 , wherein the instructions are further executable by the processor to cause the apparatus to: determine whether the at least one communication medium is overloaded based at least in part on the identified data traffic; suspend transmission of the one or more instances of synchronization beacon based at least in part on the at least one communication medium being overloaded; and transmit an operating mode indicator to the station based at least in part on the suspending, wherein the operating mode indicator comprises instructions for the station to monitor transmission of a wakeup message from the apparatus in an action frame or a high efficiency (HE) control field of a data frame, or both.

15. The apparatus of claim 1 , wherein the instructions to adapt the transmission timing are further executable by the processor to cause the apparatus to: identify a configuration of listen slots associated with the station, wherein the configuration of the listen slots comprises a duration of each listen slot; and adapt the transmission timing based at least in part on the configuration of the listen slots.

16. The apparatus of claim 1 , wherein the instructions to adapt the transmission timing are further executable by the processor to cause the apparatus to: identify a retransmission rate associated with transmission of a wakeup signal to the station, wherein the retransmission rate is based at least in part on an absence of receiving a polling, or an acknowledgment (ACK) message, or both, from the station; and adapt the transmission timing based at least in part on the retransmission rate.